Epson V7 User Manual

Page of 344
3-14 
3. n : 1 Connection (Multi-link 2)
2. When the PLC is connected to V7 series master station via RS-422/485:
V-SFT Setting
The following settings must be made on the V-SFT editor.
Only the points different from those described in “1. 1 : 1 Connection/V-SFT Setting” (page 
3-3)
 are explained here.
PLC Selection
Select the PLC that is connected.
• Setting Position
[System Setting] 
→ [PLC Type] → [Select PLC Type] dialog
→Check [
 Display Multi-link2 PLC].  The PLC list compatible with multi-link 2 
connection is displayed.
Communication Parameter Setting
• Setting Position
[System Setting] 
→ [Comm. Parameter] → [Comm. Parameter] dialog
• Setting Items
[Connection]
Select [Multi-Link 2].  Click [Setting].  The [Multi-Link 2] dialog is displayed.  Make 
the necessary settings.  For the V7 series master station, set the following items.  
For the V7 series slave station, set the items marked with 
♦.
[Local Port]
♦ (1 to 4)
Set the port number of the V7 series.  For the V7 series master station, set “1.” For 
the V7 series slave station, set “2” to “4.”  Set the unique port number for each V7 
series.  If the number duplicates, communications will not be performed correctly.
RS-422/485
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
PLC
CN1
CN1
CN1
CN1
MJ1/2
RS-485 (2-wire)
V7 master station
(= Local Port 1)
V7 slave station
(= Local Port 2)
V7 slave station
(= Local Port 3)
V7 slave station
(= Local Port 4)
Terminal block
When MJ1 is 
used:
When MJ2 is 
used: